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WO2013165096A1 - Ensemble support de broche pour fixer des broches disposées sur un blocage de tête - Google Patents

Ensemble support de broche pour fixer des broches disposées sur un blocage de tête Download PDF

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Publication number
WO2013165096A1
WO2013165096A1 PCT/KR2013/002546 KR2013002546W WO2013165096A1 WO 2013165096 A1 WO2013165096 A1 WO 2013165096A1 KR 2013002546 W KR2013002546 W KR 2013002546W WO 2013165096 A1 WO2013165096 A1 WO 2013165096A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
pin holder
fixing
head
head clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2013/002546
Other languages
English (en)
Korean (ko)
Inventor
최근욱
고창훈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEINMEDEX CO Ltd
Original Assignee
SEINMEDEX CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEINMEDEX CO Ltd filed Critical SEINMEDEX CO Ltd
Publication of WO2013165096A1 publication Critical patent/WO2013165096A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/121—Head or neck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A61B6/0421—Supports, e.g. tables or beds, for the body or parts of the body with immobilising means
    • A61B6/0428—Patient cradles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/0018—Physician's examining tables

Definitions

  • the present invention relates to a pin holder assembly for fixing a pin provided in the head clamp. More specifically, in the pin holder assembly for fixing the pin provided in the head clamp for fixing the patient's head for surgery or examination, the pin can be entered into a two-stage structure, and the angle of the pin can be varied.
  • the present invention relates to a pin holder assembly that can firmly and stably fix a patient's head even when a patient's posture or position is changed during examination or surgery.
  • the inside of the gantry of the measuring equipment the patient's head must be firmly fixed and the center of gravity is parallel.
  • the U.S. Patent No. 03835861 is a surgical head clamp, and includes a flat frame and a first arm and a second arm fixed to both sides of the frame. Then, each of the ends of the first arm and the end of the second arm has a structure coupled to the pin.
  • US Patent No. 03835861 has a distance between the first arm and the second arm, and the width of the entire size is larger than the diameter of the gantry.
  • the angle between the first arm and the second arm is not adjusted, it can not be replaced, it is difficult to apply to patients with various head sizes, the angle change of the pin and the pin is fastened to the first arm and the second arm There was a problem that can not be firmly fixed to the patient's head when the position, position of the patient is changed because the angle can not be adjusted.
  • the pin material provided in the head clamp conventionally used a metal material such as stainless steel pin, titanium pin or sapphire pin, but when using the metal material, the image is distorted up to 3cm around the metal pin during image CT. It was.
  • pins of various sizes can be replaced, and the pin holder assembly can be used to finely control the angle and insertion depth of the pins, the angle of the pins, and for brain surgery or brain tests that can reduce image distortion.
  • the pin holder assembly that is coupled to a head clamp for securing a head.
  • the present invention is derived to solve the above problems, the head centerline is located along the center axis line of the gantry in the fixed state of the head and the angle of the pin is adjustable, even if the position of the patient's posture changes the centerline of the head And the center axis of the gantry coincide to provide a pin holder assembly capable of keeping parallel.
  • it is possible to replace the pin to a different size can be applied to a variety of patient head size, it is made of a Duralurine material to provide a pin holder assembly to remove the image distortion during radiographic CT scan.
  • An object of the present invention is a pin provided in the head clamp for fixing the head of the patient having a frame coupled to one end of the table for supporting the body of the patient and the arms coupled to each side of the frame for surgery or examination 1.
  • a pin holder assembly for fixing and installing a pin holder comprising: a first pin holder device coupled to an end of a first arm coupled to an end of a frame and having a specific length and fastening a pin contacting an outer surface of a head to each of both ends; And a first pin holder device coupled to the end of the second arm coupled to the other end of the frame to fasten the pin in contact with the outer surface of the head.
  • the first pin holder device may be provided in a curved shape having a predetermined curvature.
  • a pin is fastened to one end and a pin holder part having a first screw thread formed at the other end; And the other end of the pin holder coupled to one end, and the other end formed with a second screw thread engaged with the first screw thread on the other end thereof.
  • the angle between the longitudinal direction of the pin fastened to and the longitudinal direction of the pin fastened to the other end pin holder portion may be configured to be convertible.
  • the pin may be detachable from the first pin holder device.
  • It may be characterized in that it further comprises a rotating portion provided between the first arm and the first pin holder device to enable the first pin holder device to be rotatable about the first axis in the transverse direction.
  • the pin fastened to the first pin holder device may be made of a non-metallic material.
  • the pin may be composed of quartz.
  • the end of the second arm has an insertion hole formed with a thread on the inner circumferential surface
  • the second pin holder device has a thread formed on the outer circumference of the second arm so as to be inserted into the insertion hole and fasten the pin therein. It can be characterized by having.
  • the first depth adjusting tool may be characterized by converting the insertion length of the fastened pin by the movement of the thread.
  • a thread is formed on the inner circumferential surface of the first depth adjusting tool, and is provided between the first depth adjusting tool and the pin, and a thread is formed on the outer circumferential surface, and the second depth adjusting tool may be inserted into the pin.
  • the pin may be detachable from the second pin holder device.
  • the pin fastened to the second pin holder device may be made of a non-metallic material.
  • the pin may be composed of quartz.
  • the head center line is located along the center axis line of the gantry in the fixed state of the head and the angle of the pin can be adjusted so that the centerline and gantry of the head is changed
  • the internal center axis is coincident with the effect of maintaining parallelism.
  • it is possible to replace the pin to a different size can be applied to a variety of patient head size, it is made of a Duralurine material has the advantage that the image distortion is removed during the radiographic CT scan.
  • FIG. 1 is an exploded perspective view of a state in which a head bracket is separated from a head clamp to which a pin holder assembly is coupled according to an embodiment of the present invention
  • FIG. 2 is a perspective view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention
  • FIG. 3 is a side view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention
  • FIG. 4 is a plan view of a first pin holder device which is one component of a pin holder assembly according to an embodiment of the present invention
  • FIG. 5 is a plan view of the first pin holder device removing the rotating part of the pin holder assembly according to an embodiment of the present invention
  • Figure 6 is a perspective view of one end pin holder of the first pin holder device according to an embodiment of the present invention.
  • FIG. 7 is a plan view of one end of the pin holder of the first pin holder device according to an embodiment of the present invention.
  • FIG. 8 is a perspective view of the other end pin holder of the first pin holder device according to an embodiment of the present invention.
  • FIG. 9 is a plan view of the other end of the pin holder of the first pin holder device according to an embodiment of the present invention.
  • FIG. 10 is a perspective view of a second pin holder device according to an embodiment of the present invention.
  • Figure 11 shows a side view of the second pin holder device according to an embodiment of the present invention.
  • fastening member 60 second pin holder device
  • first depth adjustment unit 62 second depth adjustment unit
  • the configuration of the head clamp 1 to which the pin holder assembly according to the embodiment of the present invention will be briefly described.
  • the head clamp 1 described below is only one example of a pin holder assembly according to an embodiment of the present invention, but only if the pin holder device according to the present invention can be coupled to the following.
  • the scope of the present invention is not limited to the configuration of the head clamp 1.
  • Figure 1 shows an exploded perspective view of the head bracket 42 is separated from the head clamp 1 is coupled to the pin holder assembly according to an embodiment of the present invention.
  • the head clamp 1 according to an embodiment of the present invention is a fastening plate fastened to one end of the table for supporting the body of the patient, one end is coupled to the central end of the fastening plate in the longitudinal direction
  • a longitudinal axis frame 11 parallel to the first axis direction in the longitudinal direction
  • a horizontal axis frame 12 parallel to the second axis direction in the longitudinal direction and perpendicular to the first axis direction
  • a vertical axis frame 11 A length adjusting part provided between the horizontal axis frames 12 to guide the vertical axis frames 11 in the first axis direction and to guide the horizontal axis frames 12 in the second axis direction, each of which has one end Arms coupled to each of both ends of the transverse frame 12, a pin holder device coupled to the other end of each of the arms, each pin is coupled to a pin holder device
  • the frame of the head clamp 1 has a vertical axis frame 11 parallel to the first axis in the longitudinal direction and the first axis in the longitudinal direction is perpendicular to the first axis. It can be seen that the horizontal axis frame 12 that is parallel to the second axis.
  • the vertical frame 11 and the horizontal frame 12 is preferably made of a Duralumin material to prevent the image is distorted during CT imaging.
  • one side end of the longitudinal frame 11 is provided with a fastening plate is coupled to the longitudinal frame 11 to one end of the table supporting the body of the patient.
  • the head clamp 1 includes a length adjusting portion that is inserted between the longitudinal frame 11 and the transverse frame 12. As shown in FIG. 1, the length adjusting part is inserted into the first length adjusting part 21 and the horizontal axis frame 12 inserted into the longitudinal frame 11 and the first length adjusting part 21. It can be seen that the second length control unit 22 is connected to the. When the first fixture 13 is removed, the vertical axis frame 11 is movable along the thread of the first length adjustment part 21, and the user may move the vertical axis frame 11 to a desired position by the first fixture 13. ) Can be fixed to the first length adjustment unit (21).
  • the thread is formed on the outer surface of one side of the second length adjusting portion 22, the second fixing sphere 14 is inserted into one side of the horizontal frame 12, the second length adjustment The second length adjusting part 22 is fixed to the horizontal frame 12 while being caught by the thread formed in the part 22. Accordingly, the vertical axis frame 11 is reciprocated in the first axis direction by the first length adjustment unit 21, and the horizontal axis frame 12 is moved in the second axis direction by the second length adjustment unit 22. Reciprocating movement is possible.
  • the first length adjusting unit 21 and the second length adjusting unit 22 may also be made of a Duralamine material to prevent the image from being distorted during CT imaging.
  • the head clamp 1 includes two arms, as shown in FIG. 1. It can be seen that the arm includes a first arm 31 coupled to one end of the transverse frame 12 and a second arm 32 coupled to one end of the second length control unit.
  • the head clamp 1 to which the pin holder device is coupled according to an embodiment of the present invention, as shown in Figure 1, the head bracket is inserted into the insertion groove 41 formed on one side of the horizontal frame 12 is assembled It can be seen that it includes (42).
  • This head bracket 42 is installed to support the patient's head before the head is fixed by the pin (2).
  • Head bracket 42 according to an embodiment of the present invention has a disc shape, and has a protrusion formed with a screw thread in the center of the lower surface. In addition, since the protrusion is inserted into the insertion hole to move along the thread, it is possible to move the head bracket 42 up and down.
  • the insertion hole 43 is inserted into the insertion groove 41 formed in the horizontal axis frame 12, and the third bracket 44 can be fitted to fasten the head bracket 42 to the horizontal axis frame 12, By removing the third fixing portion 44, the head bracket 42 can be separated.
  • the pin holder assembly includes a first pin holder device 50 and a second pin holder device 60.
  • the first pin holder device 50 is assembled and fastened to the other end of the first arm 31 mentioned above.
  • Figure 2 shows a perspective view of the first pin holder device 50 according to an embodiment of the present invention.
  • 3 is a side view of the first pin holder device 50 according to an embodiment of the present invention
  • FIG. 4 is a plan view of the first pin holder device 50 according to an embodiment of the present invention. It is shown.
  • the first pin holder device 50 of the present invention is a rotating portion 51, one pin holder portion 52, the other end pin holder portion 53 and the fastening member ( 54) and the like.
  • the rotating part 51 constituting the first pin holder device 50 corresponds to a thread which is engaged with a thread formed at the other end of the first arm 31. It can be seen that the thread is provided. Therefore, the screw thread formed on the rotating part 51 and the screw thread formed on the other end of the first arm 31 are engaged with each other to move, so that the first pin holder device 50 is formed in the form of a spur gear around an axis parallel to the second axis. It can rotate.
  • the first pin holder device 50 illustrates a plan view of the first pin holder device 50 from which the rotating unit 51 is removed according to an embodiment of the present invention. 2, 3, 4 and 5, the first pin holder device 50 according to an embodiment of the present invention is one pin holder 52 and the other pin holder 53 It can be seen that.
  • FIG. 6 is a perspective view of one end pin holder portion 52 of the first pin holder device 50 according to an embodiment of the present invention
  • Figure 7 is a first pin holder device according to an embodiment of the present invention
  • the top view of the pin holder part 52 of 50 is shown.
  • 8 illustrates a perspective view of the other end pin holder part 53 of the first pin holder device 50 according to an embodiment of the present invention
  • FIG. 9 illustrates a first pin according to an embodiment of the present invention.
  • the top view of the other end pin holder part 53 of the holder apparatus 50 is shown.
  • One end of the pin holder portion 52 and the other end pin holder portion 53 has a curved shape having a predetermined curvature. That is, one pin holder 52 and the other pin holder 53 has a concave shape toward the inside of the head clamp 1 according to an embodiment of the present invention, as shown in Figure 2 and 3 It can be seen that.
  • one end of the pin holder portion 52 has a thread formed radially on the outer periphery at one end, a pin ( It can be seen that 2) forms a hole to be inserted and fastened.
  • the pin 2 once assembled to the pin holder part 52 is detachable and is configured to be able to replace the pin 2 when a pin 2 of a different size is required.
  • the other end pin holder portion 53 also has a thread formed radially on the outer circumferential portion at one end, a pin ( It can be seen that 2) forms a hole to be inserted and fastened.
  • the pin 2 which is assembled to the other end pin holder part 53, also has a tilting attachment, and is configured to be able to replace the pin 2 when a pin 2 having a different size is required.
  • the thread formed on the outer peripheral portion of the one end thereof is later meshed with the thread formed on the other end pin holder portion 53 so as to be moved in a spur gear manner about a third axis perpendicular to the second axis direction. Therefore, the pin holder portion 52 and the other end pin holder portion 53 are rotatably engaged with respect to the third axis so that the lengthwise direction of the pin 2 assembled to the pin holder portion 52 and the other end pillar holder portion ( The angle between the longitudinal directions of the pins 2 assembled to 53 can be adjusted.
  • the fastening member 54 is coupled to each of both sides of the portion where the one end pin holder portion 52 and the other end pin holder portion 53 are engaged by a screw thread so that the one end pin holder portion 52 and the other end pin holder portion ( 53).
  • the first pin holder device 50 is also preferably made of Duralumin material to prevent the image is distorted during CT imaging.
  • the head clamp 1 according to an embodiment of the present invention includes a second pin holder device 60 that is assembled to the other end of the second arm (32).
  • Figure 10 shows a perspective view of a second pin holder device 60 according to an embodiment of the present invention
  • Figure 11 is a side view of the second pin holder device 60 according to an embodiment of the present invention. It is shown.
  • the second pin holder device 60 is formed at the end of the second arm 32 and is disposed therein. It is in the form of a hollow tube to be inserted into the threaded insertion hole and the pin 2 is inserted into the installation.
  • the second pin holder device 60 includes the first length adjusting part 61 and the second depth adjusting part 62, as shown in FIGS. 10 and 11.
  • the inner clamp of the head clamp 1 allows the protrusion and insertion to have a two-stage entry structure. That is, the first depth adjusting part 61 has a screw thread formed on the outer circumferential surface thereof, is inserted into an insertion hole provided at the end of the second arm 32, rotates along the screw thread direction, and pins in a direction parallel to the second axis direction. (2) can be moved. Therefore, the insertion depth of the pin 2 for fixing the head can be adjusted by the first depth adjusting part 61.
  • a screw thread is formed on the inner circumferential surface of the first depth adjusting part 61, and is screwed with each other with a screw thread formed on the outer circumferential surface of the second depth adjusting part 62. Movement of (2) becomes possible.
  • the pin 2, which is assembled to the second depth adjusting part 62, is also configured to be tilted so that the pin 2 can be replaced when a pin 2 of a different size is required.
  • the second pin holder Device 60 is also preferably made of Duralumin material to prevent the image is distorted during CT imaging. And, in the case of the pin 2, if the image is composed of a metal material, the image may be distorted to a white color up to 3 cm around the metal pin in the image CT.
  • the coupling of the head clamp 1 according to an embodiment of the present invention by a fastening plate to one end of the table lying patient is installed.
  • the insertion hole 43 is inserted into the insertion groove 41 formed at one side of the horizontal axis frame 12 to assemble the head bracket 42 to the horizontal axis frame 12.
  • the height by rotating the head bracket 42 so that the upper surface of the head bracket 42 supports the back of the head of the patient.
  • the longitudinal axis frame 11 is moved in the first axis direction by the first length adjusting part 21 and the second length adjusting part 22.
  • the horizontal axis frame 12 is moved in the second axis direction.
  • first arm 31 and the second arm 32 are rotated in the second axial direction in the form of a spur gear, respectively, to adjust the angle, and by the rotating unit 51 provided in the first pin holder device 50.
  • the first pin holder device 50 is rotated about an axis parallel to the second axis direction.
  • the pin holder part 52 and the other end pin holder part 53 are rotated with respect to the third axis in the form of a spur gear so that the angle with the pin 2 is reduced. Will be adjusted.
  • the pin 2 is inserted into the outer surface of the head by the first depth adjusting part 61 and the second depth adjusting part 62 provided in the second pin holder device 60 to implement the head of the present invention. It is fixed to the head clamp 1 according to the example.
  • the head clamp (1) fixed head is entered into the gantry for brain surgery or brain CT imaging.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurosurgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Otolaryngology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
PCT/KR2013/002546 2012-04-30 2013-03-27 Ensemble support de broche pour fixer des broches disposées sur un blocage de tête Ceased WO2013165096A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0045403 2012-04-30
KR1020120045403A KR101232186B1 (ko) 2012-04-30 2012-04-30 헤드 클램프에 구비되는 핀을 고정시키기 위한 핀 홀더 어셈블리

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WO2013165096A1 true WO2013165096A1 (fr) 2013-11-07

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Application Number Title Priority Date Filing Date
PCT/KR2013/002546 Ceased WO2013165096A1 (fr) 2012-04-30 2013-03-27 Ensemble support de broche pour fixer des broches disposées sur un blocage de tête

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KR (1) KR101232186B1 (fr)
WO (1) WO2013165096A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106823283A (zh) * 2017-02-21 2017-06-13 浙江捷昌线性驱动科技股份有限公司 一种颈肌训练头部固定装置及颈肌训练器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197965A (en) * 1992-07-29 1993-03-30 Codman & Shurtleff, Inc. Skull clamp pin assembly
WO2001021085A1 (fr) * 1999-09-23 2001-03-29 Elekta Ab Appareil stereotaxique
US6315783B1 (en) * 2000-04-07 2001-11-13 Odin Technologies, Ltd. Surgical head support
KR20040097739A (ko) * 2003-05-13 2004-11-18 허순녕 뇌정위 방사선 치료용 프레임

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197965A (en) * 1992-07-29 1993-03-30 Codman & Shurtleff, Inc. Skull clamp pin assembly
WO2001021085A1 (fr) * 1999-09-23 2001-03-29 Elekta Ab Appareil stereotaxique
US6315783B1 (en) * 2000-04-07 2001-11-13 Odin Technologies, Ltd. Surgical head support
KR20040097739A (ko) * 2003-05-13 2004-11-18 허순녕 뇌정위 방사선 치료용 프레임

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106823283A (zh) * 2017-02-21 2017-06-13 浙江捷昌线性驱动科技股份有限公司 一种颈肌训练头部固定装置及颈肌训练器

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